Question about Memory Fragmentation

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:bust_in_silhouette: Asked By Rocko Madaro
:warning: Old Version Published before Godot 3 was released.
I was reading a document about design considerations for the game Shadow of the Colossus. It's a good read. One consideration that had to be made due to the limited memory of the PS2 was how to handle memory fragmentation caused by the continual loading and unloading of map sections.

My question is how well does Godot handle memory fragmentation and does it have a mechanism for compacting memory on the fly.

—Cross posted from facebook.—